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(11)

EP 2 018 748 A1

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(43) Date of publication: 28.01.2009 Bulletin 2009/05 (21) Application number: 06747790.1 (22) Date of filing: 19.05.2006

(51) International Patent Classification (IPC):  H04L 27/26(2006.01) H04L 12/28(2006.01) H04B 1/26(2006.01) H04Q 7/38(0000.00) (86) International application number: PCT/SE2006/000584 (87) International publication number: WO 2007/136306 (29.11.2007 Gazette 2007/48)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK YU (71) Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (publ) 164 83 Stockholm (SE)	(72) Inventors: AXNÄS, Johan S-171 62 Solna (SE) JOHANSSON, Niklas S-191 34 Sollentuna (SE) NYSTRÖM, Johan S-112 33 Stockholm (SE) SKILLERMARK, Per S-112 55 Stockholm (SE) SUNELL, Kai-Erik S-168 73 Bromma (SE) (74) Representative: Hasselgren, Erik Joakim  Ericsson AB Patent Unit LTE Torshamnsgatan 23 164 80 Stockholm 164 80 Stockholm (SE)